CVE-2018-7812

An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/SadFud/Exploits/tree/master/Real%20World/SCADA%20-%20IOT%20Systems/CVE-2018-7812	Third Party Advisory
https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:schneider-electric:modicom_m340_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicom_m340:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:schneider-electric:modicom_premium_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicom_premium:*:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:schneider-electric:modicom_quantum_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicom_quantum:*:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:schneider-electric:modicom_bmxnor0200h_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicom_bmxnor0200h:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-12-17 22:29

Updated : 2024-02-28 16:48

NVD link : CVE-2018-7812

Mitre link : CVE-2018-7812

CVE.ORG link : CVE-2018-7812

JSON object : View

Products Affected

schneider-electric

modicom_premium_firmware
modicom_m340_firmware
modicom_quantum
modicom_bmxnor0200h
modicom_premium
modicom_m340
modicom_quantum_firmware
modicom_bmxnor0200h_firmware

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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